{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to solve the scalability issues of blockchain?","a":"Layered design solution: Divide the blockchain into multiple layers, each layer handling a certain number of transactions,  thereby improving the system's processing capacity."}]}],"pr":"9164d9b6e1b48f4214d098f36e9b3a95806e9fa42c9f57f16379ecdc583e50cc"}